priors.science/reviews/ultra-processed-foods

Ultra Processed Foods

The current evidence on 10 claims, ordered from most established to most contested. Each score is the panel’s evidence certainty — how firmly the literature supports the claim as stated.

10claims tracked
78primary papers reviewed
5 Jul 2026latest evidence review
Weeklyre-scored against new papers
0 Established · 4 Likely · 6 Uncertain · 0 Doubtful  |  four-reviewer panel · PICO Framework
SignalClaimStandingEvidence certaintyCorpus
StableUltra-processed food promotes weight gainCardiometabolicLikely73%20
StableUltra-processed food diets raise energy intakeMechanism MentalLikely71%20
StableUltra-processed food raises colorectal cancer riskMortality CancerLikely66%20
StableUltra-processed food raises type 2 diabetes riskCardiometabolicLikely65%20
StableUltra-processed food raises cardiovascular disease riskCardiometabolicUncertain63%20
StableUltra-processed food raises all-cause mortalityMortality CancerUncertain59%20
StableUltra-processed food raises hypertension riskCardiometabolicUncertain55%20
StableUltra-processed food raises depression riskMechanism MentalUncertain52%18
StableUltra-processed food raises inflammation markersMechanism MentalUncertain50%19
StableUltra-processed food raises overall cancer riskMortality CancerUncertain48%20
Standing — what the evidence certainty means
Established≥ 85%Strong, consistent evidence. Unlikely to change.
Likely65–84%Well supported, with some gaps or indirect evidence.
Uncertain40–64%Mixed or limited evidence. Genuinely open.
Doubtful15–39%Little support; the weight of evidence leans against it.
Refuted< 15%The evidence contradicts it — confidently false as stated.
Recent signal
strengthenedNew evidence raised the certainty since the last review.
weakenedNew evidence lowered the certainty since the last review.
newA claim added to the review recently.
StableNo recent change to the standing.
Standing, evidence certainty and corpus are always shown. The study behind each move, why it moved, and the sceptic’s challenge are delivered to subscribers.
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